#include<stdio.h>
int main(void)
{
    int a=6,b=7;\
    int q,w,e,r,t,y,u,i;
    q=-a;
    w=-b;
    e=a+b;
    r=a/b;
    t=a%b;
    printf("q=%d\n",q);
    printf("w=%d\n",w);
    printf("e=%d\n",e);
    printf("r=%d\n",r);
    printf("t=%d\n",t);
}
